{"coeffs": [-5.3366459639837366e-08, 0.4651029079715568, 1.1819439138568926, 0.05156337247270584], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.007267639533821e-08, 3040.8503544371315, 337.81164757260666, 0.0041431746767276924], "covariance": [[9.04365865578732e-16, -3.1945704116898474e-05, -3.5490266026807997e-06, -5.526113792838139e-11], [-3.1945704121742635e-05, 9246770.878080428, 1027234.6675732005, 12.122215579918171], [-3.5490266034632337e-06, 1027234.6675731962, 114116.70923571901, 1.3466850783712438], [-5.526113792759963e-11, 12.122215579522994, 1.3466850783269702, 1.7165896401877618e-05]]}